Improved import of PDF pages as vector graphics.Compute a chemically balanced reaction with ReactionBalance and check if a given reaction is balanced with ReactionBalancedQ.Added symbolic representations for chemicals and chemical reactions: ChemicalFormula, ChemicalReaction.New solid mechanics PDE model functions, including SolidMechanicsPDEComponent, SolidMechanicsStrain, SolidMechanicsStress and more.Get real-time information on airplane flights using FlightData.Convert between different time systems with TimeSystemConvert.New additions to the Tree framework: TreeScan, TreeMapAt, TreeTraversalOrder and TreeLayout.Extract a repeating operation in a folded neural net with NetUnfold.Efficiently train custom content detectors using TrainImageContentDetector and TrainTextContentDetector.Stitch a list of images together with ImageStitch.Preview videos in a Wolfram Language notebook with a new built-in video player.New video processing functions: SnippetsVideo, TourVideo, GridVideo and OverlayVideo.Estimate the best variogram model for location-tagged data with EstimatedVariogramModel.Create spatial predictions with SpatialEstimate.New lighting options for three-dimensional graphics: AmbientLight, DirectionalLight, PointLight and SpotLight.Compute dominators for directed graphs using DominatorTreeGraph and DominatorVertexList.Find face coloring for a planar graph layout using FindPlanarColoring.Find minimal edge and vertex colorings for graphs with FindEdgeColoring and FindVertexColoring.New functions for finding isomorphic subgraphs and subgraph isomorphisms: IsomorphicSubgraphQ, FindSubgraphIsomorphism, FindIsomorphicSubgraph.Find an affine transform from one region to another with FindRegionTransform and check for congruity and similarity for two regions using RegionCongruent and RegionSimilar.Create regions from a set of points using RegionFit, GradientFittedMesh and ConcaveHullMesh.New constructive solid geometry region CSGRegion, built by Boolean operations on basic regions.Visualize geo flows via GeoGraphValuePlot.Create 2D and 3D displacement plots using new functions VectorDisplacementPlot, VectorDisplacementPlot3D, ListVectorDisplacementPlot and ListVectorDisplacementPlot3D.Compute the bilateral or double-sided Z transform and the inverse transform using BilateralZTransform and InverseBilateralZTransform.Perform interval computations for real and complex centered intervals using CenteredInterval.Implemented several Coulomb wavefunctions: CoulombF, CoulombG, CoulombH1 and CoulombH2.New linear algebra functions: Adjugate, DrazinInverse and CoreNilpotentDecomposition.Create convenient aliases for context names using $ContextAliases.Finance, Statistics & Business Analysis.Wolfram Knowledgebase Curated computable knowledge powering Wolfram|Alpha. Wolfram Universal Deployment System Instant deployment across cloud, desktop, mobile, and more. Wolfram Data Framework Semantic framework for real-world data.